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Author Question: Most asteroids are found: A) beyond the orbit of Neptune. B) between the Earth and Sun. C) ... (Read 74 times)

geodog55

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on: Jul 27, 2018
Most asteroids are found:
 
  A) beyond the orbit of Neptune.
  B) between the Earth and Sun.
  C) between the orbits of Mars and Jupiter.
  D) in the orbit of Jupiter, but 60 degrees ahead of or behind it.
  E) orbiting the jovian planets in captured, retrograde orbits.

Question 2

Why is erosion more effective on Earth than on Venus or Mars?
 
  What will be an ideal response?


mcni194

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Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

Erosion on Earth arises primarily from processes involving water, but also from atmospheric winds. Venus has very little surface wind because of its slow rotation, and wind on Mars does little damage because of the low atmospheric pressure. On Earth, water contributes to erosion through processes such as rain and rivers breaking down mountains, carving canyons, and transporting sand and silt. Water also seeps into cracks and breaks them down from the inside.


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